ICD-10-CM > M00-M99 > M05-M14 > M08 > M08.4 > M08.41 M08.41 Pauciarticular juvenile rheumatoid arthritis, shoulder Non-Billable/Non-Specific Codes M08.411Pauciarticular juvenile rheumatoid arthritis, right shoulderM08.412Pauciarticular juvenile rheumatoid arthritis, left shoulderM08.419Pauciarticular juvenile rheumatoid arthritis, unspecified shoulder